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利用分形维数定量表征催化剂的形状不规则程度 ,对其中进行的气 -固相催化反应进行了分析计算 .计算结果表明 ,催化剂的形状越不规......
FAILURE MODE AND CONSTITUTIVE MODEL OF PLAIN HIGH-STRENGTH HIGH-PERFORMANCE CONCRETE UNDER BIAXIAL C
An orthotropic constitutive relationship with temperature parameters for plain high- strength high-performance concrete ......
Alumina-(0-20 vol. pct) iron composites were fabricated by hot-pressing of well-mixed alumina and iron powders at 1400℃......
The runoff and sediment yield data from the Qiaozidonggou, Qiaozixigou, and Lu’ergou watersheds, in the Loess Plateau o......
The effects of intertube additional atoms on the sliding behaviors of double-walled carbon nanotubes(DWCNTs) are investi......
Based on the coupled boundary element method-finite element method(BEM-FEM)method and the acoustic transfer vector(ATV)t......
Influence of Surface Oxide Films on Elastic Behaviors of Straight Screw Dislocations Parallel to the
The image stress of straight screw dislocations parallel to the medium surface covered by thin heterogeneous films was a......
The objectives of this study are to employ the meshless local Petrov-Galerkin method (MLPGM) to solve three-dimensional ......
The fatigue property of asphalt mixtures under complicated environment(low-temperature bending performance, chloride pen......
A series of poly{2,5-bis[(4-butoxyphenyl)-oxycarbonyl]styrenes} (PBPCS) with low mo-lecular weight distribution was synt......
Determination of rational support parameters of bolting and shotcreting with wire mesh in soft roadw
Based on a great number of measured data, the author put forward zonal com-pressive and tensile deformation mechanism of......
参照加拿大锯村目测分等规则，将人工林杉木（Cunninghamia lanceolof。（Lamb．）Hook．）足尺规格材（45mm×90mm×3700mm）分成精选级（SS）及......
基于“经典层板理论”,以早材和晚材作为基本单元,建立兴安落叶松成熟材单一年轮顺纹抗弯弹性模量以及顺纹抗拉强度的力学模型;通......
The strength of clay-rich sandstone decreases significantly when in contact with water due to softening effects.This sce......
利用水泥、石膏和砂模拟灰岩的岩性,在室内进行小样配方试验的基础上,选择合适的配方,进行了室外岩溶顶板的模拟试验.利用声波仪,......
人造板无损检测是一项综合性科学技术，可以在不破坏人造板的前提下，对其物理力学性能和内部缺陷进行快速有效的检测。本文对国内外人......
ＩｎｔｒｏｄｕｃｔｉｏｎＩｎｔｈｅ１９８０’ｓ，ｎａｎｏｃｒｙｓｔａｌｉｎｅｍａｔｅｒｉａｌｓ（ＮＣＭ）ｈａｖｅｂｅｅｎｐｒｏｐｏｓｅｄｂｙｐｒｏｆｅｓｏｒＨ．ＧｌｅｉｔｅｒｉｎＧｅｒｍａｎ．Ｔｈｅａｃａｄｅｍｉｃｗｏｒｌｄｗａｓｉｎｔｅｒｅｓｔｅｄ.........
本文在低频和声频范围内研究了砂岩、大理岩及花岗岩在不同饱和液体情况下的衰减和模量随温的变化，同时还探讨了衰减与激发频率、共......
The rheological properties of five gum solutions (Gum Shiraz, Karaya Gum, Ghatti Gum, Arabic Gum and Gum Tragacanth) hav......
分析了公路水泥混凝土路面发生损坏的主要原因，探讨了如何评定旧混凝土的路面路况，重点介绍了旧混凝土路面加铺厚度的计算，指出混凝土......
